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Aloiza [94]
2 years ago
12

pls help now I will give 23 points 130 × 20 = 13 tens × 2 tens and maybe 50 if you solve it and put in some words and show the w

ork

Mathematics
1 answer:
BigorU [14]2 years ago
7 0

Answer:

Step-by-step explanation:

13 × 20 = 13 tens × 2 tens

            = 13 × 2 × 10 × 10

            = 2600

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what are the five different times in which the minutes before are the same as the minutes after the hour
Romashka [77]
Answered by Norbert J.M..
Hope this helps.

5 0
3 years ago
What is the value of (3/10)3
Elenna [48]

Answer:

\frac{9}{10}

Step-by-step explanation:

In this question, one is asked to multiply a fraction by a whole number, first model the question.

\frac{3}{10}(3)

In a situation like this, one multiplies the whole number by the numerator (number) over the fraction.

\frac{3*3}{10}

Simplify,

\frac{9}{10}

A common error that people make is that they will multiply both the numerator and denominator by the whole number, this is the same as multiplying the answer by (1), thus it is incorrect.

6 0
3 years ago
The measure of an angle is three more than twice its supplement. What is the measure of the angle?
Zinaida [17]

Answer: the angle is 1°+n×120°

1°, 121°, 241°


Step-by-step explanation:

Angles are taken modulo 360°, so 363° = 3°.

Angle plus supplement gives 180°.

Let a be angle, s be supplement of a.

So s = 180-a. Given a = 3 + 2s

a = 3 + 2(180 - a)

a = 3 + 360 - 2a = 363 - 2a


3a = 363° or 3° or 723°

a = 121° or 1° or 241°


a = 1°

s = 179°

2s = 358°

2s+3 = 361° = 1° (modulo 360)


a = 121°

s = 180-121 = 59°

2s = 118°

2s + 3 = 121°, as required.


a = 241°

s = 360+180-241 = 540-241 = 299

2s = 598

2s + 3 = 601 = 241 (modulo 360)


7 0
3 years ago
What is 9 1\8 + 9 3\8​
Murljashka [212]

Answer:

18.5 or 18 1/2

Step-by-step explanation:

9 plus 9 is 18. 1/8 plus 3/8 is 4/8 or 1/2. so 18 1/2

7 0
3 years ago
Read 2 more answers
Evaluate -3(9+y) if y = -7 ​
mario62 [17]

Answer:

-6

Step-by-step explanation:

Substitutet -7 for y in -3(9+y):  -3(9 - 7)  =  -3(2)  =  -6

6 0
3 years ago
Read 2 more answers
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